Take a read through this until you get to the cap section. It's a good read IMO. The Panasonic caps look like a nice affordable option. I went with the Dayton one's quite a while ago but probably would have done the Panny's for ease of installation alone had I known about them.
https://www.headphonesty.com/2019/04/upgrading-bottlehead-crack-headphone-amplifier/